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Perception enhancement for low-frequency sound components

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Perception enhancement for low-frequency sound components


This invention discloses a method and a plurality of compressive amplitude distortion units for enhancing the perceptibility of the low-frequency portion of a sound by introducing residue harmonics of low-frequency signal components into the sound, where the residue harmonics are generated by a nonlinear function emulating the middle-ear response of a human being. The low-frequency portion in the resultant sound is perceivable to a human listener even if this portion is removed from this sound. In one embodiment, a compressive amplitude distortion unit comprises: a...
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USPTO Applicaton #: #20130003989


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The Patent Description & Claims data below is from USPTO Patent Application 20130003989, Perception enhancement for low-frequency sound components.

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stats Patent Info
Application #
US 20130003989 A1
Publish Date
01/03/2013
Document #
13171476
File Date
06/29/2011
USPTO Class
381102
Other USPTO Classes
700 94
International Class
/
Drawings
10


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Natural Bass Technology Limited

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Electrical Audio Signal Processing Systems And Devices   Including Frequency Control   Automatic Tone Control   With Amplitude Control  

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